The shared library must not be packaged in the devel subpackage. Excerpt from the build log: warning: File(s) packaged into both libsobjectizer-5.5.23-alt1 and libsobjectizer-devel-5.5.23-alt1: /usr/lib64/libso.5.5.23.so Fix: -%_libdir/*.so +%_libdir/libso.so
Fixed in libsobjectizer.git=5.5.24.1-alt2